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/*
* Check decoding of fallocate syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#if defined(__NR_fallocate) && defined(HAVE_FALLOCATE) && HAVE_FALLOCATE
# include <errno.h>
# include <fcntl.h>
# include <stdio.h>
# ifndef FALLOC_FL_UNSHARE_RANGE
/* Avoid conflicts between <fcntl.h> and <linux/falloc.h>. */
# undef FALLOC_FL_KEEP_SIZE
# undef FALLOC_FL_PUNCH_HOLE
# undef FALLOC_FL_NO_HIDE_STALE
# undef FALLOC_FL_COLLAPSE_RANGE
# undef FALLOC_FL_ZERO_RANGE
# undef FALLOC_FL_INSERT_RANGE
# include <linux/falloc.h>
# endif
# include "xlat.h"
# include "xlat/falloc_flags.h"
int
main(void)
{
static const int bogus_fd = 0xbeefface;
static const int bogus_mode = 0xdeadca75;
static const off_t bogus_offset = (off_t) 0xbadc0dedda7a1057LLU;
static const off_t bogus_len = (off_t) 0xbadfaceca7b0d1e5LLU;
long rc = fallocate(bogus_fd, bogus_mode, bogus_offset, bogus_len);
/*
* Workaround a bug fixed by commit glibc-2.11-346-gde240a0.
*/
if (rc > 0) {
errno = rc;
rc = -1;
}
const char *errstr = sprintrc(rc);
printf("fallocate(%d, ", bogus_fd);
printflags(falloc_flags, (unsigned) bogus_mode, "FALLOC_FL_???");
printf(", %lld, %lld) = %s\n",
(long long) bogus_offset, (long long) bogus_len, errstr);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_fallocate && HAVE_FALLOCATE");
#endif
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